diff options
Diffstat (limited to 'drivers/gpu/mali/mali400ko/driver/src/devicedrv/ump/readme.txt')
| -rw-r--r-- | drivers/gpu/mali/mali400ko/driver/src/devicedrv/ump/readme.txt | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/gpu/mali/mali400ko/driver/src/devicedrv/ump/readme.txt b/drivers/gpu/mali/mali400ko/driver/src/devicedrv/ump/readme.txt index bf1bf61d60e..c238cf0f2b1 100644 --- a/drivers/gpu/mali/mali400ko/driver/src/devicedrv/ump/readme.txt +++ b/drivers/gpu/mali/mali400ko/driver/src/devicedrv/ump/readme.txt @@ -3,15 +3,26 @@ Building the UMP Device Driver for Linux Build the UMP Device Driver for Linux by running the following make command: -KDIR=<kdir_path> CONFIG=<your_config> make +KDIR=<kdir_path> CONFIG=<your_config> BUILD=<build_option> make where kdir_path: Path to your Linux Kernel directory your_config: Name of the sub-folder to find the required config.h file ("arch-" will be prepended) + build_option: debug or release. Debug is default. -The config.h file contains the configuration parameters needed, like the -memory backend to use, and the amount of memory. +The config.h contains following configuration parameters: + +ARCH_UMP_BACKEND_DEFAULT + 0 specifies the dedicated memory allocator. + 1 specifies the OS memory allocator. +ARCH_UMP_MEMORY_ADDRESS_DEFAULT + This is only required for the dedicated memory allocator, and specifies + the physical start address of the memory block reserved for UMP. +ARCH_UMP_MEMORY_SIZE_DEFAULT + This specified the size of the memory block reserved for UMP, or the + maximum limit for allocations from the OS. The result will be a ump.ko file, which can be loaded into the Linux kernel -by using the insmod command. +by using the insmod command. The driver can also be built as a part of the +kernel itself. |